Multiple Choice
The lock and key model of enzyme activity proposes that each __________.
A) enzyme can react with only a single substrate
B) enzyme has a cofactor that promotes the catalytic activity
C) substrate has a specific cofactor that binds it to the enzyme
D) enzyme binds a specific substrate because the active site and substrate have complementary structures.
E) Both A and B are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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